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Finding the Fourth Proportional to 401,771.66, 554,404.52 and 240,622.58

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Solution

The fourth proportional to 401,771.66, 554,404.52 and 240,622.58 is: 332,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,771.66 : 554,404.52 = 240,622.58 : x
  2. Step 2: Convert to fraction form
    401,771.66/554,404.52 = 240,622.58/x
  3. Step 3: Cross multiply
    401,771.66x = 554,404.52 × 240,622.58
  4. Step 4: Simplify right side
    401,771.66x = 133,402,245,966.06
  5. Step 5: Solve for x
    x = 133,402,245,966.06/401,771.66
  6. Step 6: Final answer
    x = 332,034.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.